Nothing to lose? Neural correlates of decision, anticipation, and feedback in the balloon analog risk task.

IF 2.9 2区心理学 Q2 NEUROSCIENCES

Psychophysiology Pub Date : 2024-08-01 DOI:10.1111/psyp.14660

Stephanie N L Schmidt, Sarah Sehrig, Alexander Wolber, Brigitte Rockstroh, Daniela Mier

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Abstract

Understanding the subprocesses of risky decision making is a prerequisite for understanding (dys-)functional decisions. For the present fMRI study, we designed a novel variant of the balloon-analog-risk task (BART) that measures three phases: decision making, reward anticipation, and feedback processing. Twenty-nine healthy young adults completed the BART. We analyzed neural activity and functional connectivity. Parametric modulation allowed assessing changes in brain functioning depending on the riskiness of the decision. Our results confirm involvement of nucleus accumbens, insula, anterior cingulate cortex, and dorsolateral prefrontal cortex in all subprocesses of risky decision-making. In addition, subprocesses were differentiated by the strength of activation in these regions, as well as by changes in activity and nucleus accumbens-connectivity by the riskiness of the decision. The presented fMRI-BART variant allows distinguishing activity and connectivity during the subprocesses of risky decision making and shows how activation and connectivity patterns relate to the riskiness of the decision. Hence, it is a useful tool for unraveling impairments in subprocesses of risky decision making in people with high risk behavior.

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没有什么可失去的？气球模拟风险任务中决策、预期和反馈的神经相关性。

了解风险决策的子过程是了解（功能失调）决策的前提。在本 fMRI 研究中，我们设计了一种新的气球模拟风险任务（BART）变体，用于测量决策、奖励预期和反馈处理三个阶段。29 名健康的年轻人完成了 BART。我们分析了神经活动和功能连接。通过参数调制，我们可以评估大脑功能随决策风险程度而发生的变化。我们的研究结果证实，伏隔核、脑岛、前扣带回皮层和背外侧前额叶皮层参与了风险决策的所有子过程。此外，根据这些区域的激活强度，以及根据决策风险程度的活动变化和伏隔核连接性，可对子过程进行区分。所介绍的 fMRI-BART 变体可以区分风险决策子过程中的活动和连通性，并显示激活和连通性模式与决策风险性的关系。因此，它是一种有用的工具，可用于揭示高风险行为患者在风险决策子过程中的损伤。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Psychophysiology 医学-神经科学

CiteScore

6.80

自引率

8.10%

发文量

225

审稿时长

2 months

期刊介绍： Founded in 1964, Psychophysiology is the most established journal in the world specifically dedicated to the dissemination of psychophysiological science. The journal continues to play a key role in advancing human neuroscience in its many forms and methodologies (including central and peripheral measures), covering research on the interrelationships between the physiological and psychological aspects of brain and behavior. Typically, studies published in Psychophysiology include psychological independent variables and noninvasive physiological dependent variables (hemodynamic, optical, and electromagnetic brain imaging and/or peripheral measures such as respiratory sinus arrhythmia, electromyography, pupillography, and many others). The majority of studies published in the journal involve human participants, but work using animal models of such phenomena is occasionally published. Psychophysiology welcomes submissions on new theoretical, empirical, and methodological advances in: cognitive, affective, clinical and social neuroscience, psychopathology and psychiatry, health science and behavioral medicine, and biomedical engineering. The journal publishes theoretical papers, evaluative reviews of literature, empirical papers, and methodological papers, with submissions welcome from scientists in any fields mentioned above.

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